Animal

1234567891011121314151617181920
Across
  1. 2. Cold-blooded animals
  2. 3. Organism with both male and female reproductive organs
  3. 4. Free-swimming body form of cnidarians
  4. 5. System used by echinoderms for movement and feeding
  5. 7. Body has left and right sides
  6. 8. No symmetry in body shape
  7. 9. Flexible tissue found in sharks
  8. 13. Organ that helps fish float or sink
  9. 15. Sessile body form of cnidarians
  10. 16. Organ that provides nutrients to developing baby
  11. 18. Warm-blooded animals
  12. 20. Internal skeleton
Down
  1. 1. Animal without a backbone
  2. 4. Shedding of exoskeleton to grow
  3. 6. Animal with a backbone
  4. 10. Eggs with protective covering for land life
  5. 11. Hard outer covering of arthropods
  6. 12. Produce milk for young
  7. 14. Body parts arranged around a center
  8. 17. Asexual reproduction where a new organism grows off parent
  9. 19. Living on the ocean floor